Function steamworks_sys::SteamAPI_ISteamInventory_AddPromoItems

pub unsafe extern "C" fn SteamAPI_ISteamInventory_AddPromoItems(
    self_: *mut ISteamInventory, 
    pResultHandle: *mut SteamInventoryResult_t, 
    pArrayItemDefs: *const SteamItemDef_t, 
    unArrayLength: uint32
) -> bool